CN215627149U - Pig hair filter and filter equipment - Google Patents

Pig hair filter and filter equipment Download PDF

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Publication number
CN215627149U
CN215627149U CN202121684801.6U CN202121684801U CN215627149U CN 215627149 U CN215627149 U CN 215627149U CN 202121684801 U CN202121684801 U CN 202121684801U CN 215627149 U CN215627149 U CN 215627149U
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China
Prior art keywords
filter
filter membrane
flexible
pig hair
filter bag
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CN202121684801.6U
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Chinese (zh)
Inventor
于容朴
姚杰宇
刘硕
张少博
梁林海
刘天胜
石万里
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Beijing Huaxia Dayu Technology Co ltd
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Beijing Huaxia Dayu Technology Co ltd
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Abstract

The utility model discloses a pig hair filter and a filter device, which comprise an outer shell, an outer filter membrane supporting piece, a flexible filter bag and an inner filter membrane supporting piece which are sequentially arranged from outside to inside, wherein the outer shell is of a hollow structure with one end opened and the other end provided with a water outlet pipe, the outer filter membrane supporting piece is of a hollow structure with one end opened and the other end sealed, the side wall of the outer filter membrane supporting piece is of a hollow structure with one end opened and the other end provided with a blind end, and the side wall and the bottom of the inner filter membrane supporting piece are in porous communication. The filter material consists of an outer filter membrane supporting piece, a flexible filter bag and an inner filter membrane supporting piece, wherein the outer filter membrane supporting piece and the inner filter membrane supporting piece on the two sides can provide support during filtering and backwashing, and play a role in protecting the flexible filter bag.

Description

Pig hair filter and filter equipment
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a pig hair filter and a filter device.
Background
At present, with the rapid development of pig large-scale breeding and slaughter house construction, the wastewater treatment in the industry is the most important treatment of industrial wastewater, but the wastewater in the industry contains a large amount of fiber matters such as pig hair and the like, which brings great inconvenience to subsequent treatment. Although the workshop is provided with a recovery device, a large amount of pig hair flows into a sewage treatment station along with the wastewater.
The pig hair is fine and is easier to pass through the traditional grille and the filter screen compared with the feathers of the poultry, thereby harming the subsequent sewage treatment equipment, and the density of the pig hair is close to that of water, and the pig hair is difficult to remove by adopting a precipitation or floating method.
In the prior art, rigid materials such as grid bars or grid meshes with larger gaps are generally adopted for filtering, the grid bars are not easy to block, but the recovery rate of the pig hair is lower. When a hard framework is used as a support and a flexible material is used as a filter material for filtration in engineering, the flexible material is easily damaged under the action of water flow pressure, and the filtering function is lost. When the filter element commonly used for water treatment is used as a filter material, the filter element is large in thickness and resistance in the filtering process, and is difficult to clean after being blocked, so that the replacement cost is very high. Therefore, a new filtering device for pig hair is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a pig hair filter and a filter device, wherein the outer shell, the outer filter membrane supporting piece, the flexible filter bag and the inner filter membrane supporting piece are arranged, after waste water containing pig hair passes through the inner filter membrane supporting piece, the waste water passes through the flexible filter bag and flows out of a through hole of the outer filter membrane supporting piece, enters the outer shell and is discharged from a water outlet pipe, the pig hair is intercepted through the flexible filter bag, so that the separation of the waste water and the pig hair is realized, and the outer filter membrane supporting piece and the inner filter membrane supporting piece provide a supporting function in the filtering and backwashing processes and simultaneously play a protection role on the flexible filter bag, so that the service life and the replacement period of the flexible filter bag are prolonged.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a pig hair filter, which comprises an outer shell, a filter membrane outer supporting piece, a flexible filter bag and a filter membrane inner supporting piece, wherein the outer shell is of a hollow structure with one end opened and the other end provided with a water outlet pipe;
the utility model discloses a filter membrane outer support piece, including outer shell body, flexible filter bag, outer support piece of filter membrane, the outer support piece of filter membrane is fixed in inside the shell body, flexible filter bag is located the outer support piece of filter membrane is outside, the open end of flexible filter bag is fixed in the open end of the outer support piece of filter membrane, the support piece is located in the filter membrane inside the flexible filter bag, be used for with flexible filter bag laminating in inside the outer support piece of filter membrane, the support piece is kept away from in the filter membrane the one end of outlet pipe is equipped with the head, be equipped with the inlet tube on the head.
When the flexible filter bag is used, wastewater containing the pig hair enters from the water inlet pipe, passes through the inner support piece of the filter membrane and then contacts the flexible filter bag, the wastewater flows out from the through hole of the outer support piece of the filter membrane after passing through the flexible filter bag and then is discharged from the water outlet pipe after entering the outer shell, and the pig hair is intercepted in the flexible filter bag, so that the separation of the pig hair and the wastewater is realized.
As an optional implementation manner, in the pig hair filter provided by the present invention, the open end of the outer shell is provided with a first fixing member, the open end of the filter membrane outer support member is provided with a second fixing member, and the second fixing member is fixed to the first fixing member and the end enclosure respectively. The first fixing piece and the second fixing piece are arranged to fix the shell and the filter membrane outer supporting piece, and the filter membrane outer supporting piece and the filter membrane inner supporting piece respectively, so that the situation that all parts move in the filtering process to influence the filtering effect is avoided.
As an optional implementation manner, in the filter for pig hair provided by the present invention, the first fixing member is a first flange, the second fixing member includes a second flange and a third flange, the second flange is used in cooperation with the first flange, and the third flange is used in cooperation with the sealing head. The flange is used for connection, so that the sealing effect of the working state can be guaranteed, and the filter can be conveniently and regularly detached and cleaned.
As an optional implementation manner, in the pig hair filter provided by the present invention, rubber pads are respectively disposed between the first flange and the second flange, and between the third flange and the end socket. The rubber pad is arranged to prevent water leakage in the process of filtering or backwashing the filter.
As an optional implementation manner, in the pig hair filter provided by the utility model, a hinge rotating shaft is arranged between the third flange and the end enclosure. The hinge rotating shaft is arranged, so that the end socket and the third flange can be quickly installed after the end socket is disassembled to clean or replace the flexible filter bag, and the workload of end socket transportation and screw hole correction is reduced.
As an alternative embodiment, in the pig hair filter provided by the utility model, the inner wall of the outer filter membrane support is smooth, and the outer wall of the inner filter membrane support is smooth. The smooth inner wall and the smooth outer wall are arranged, so that the damage of the flexible filter bag can be avoided.
As an optional implementation manner, in the pig hair filter provided by the present invention, the length of the flexible filter bag is greater than the length of the outer filter membrane support, the inner diameter of the flexible filter bag is greater than the inner diameter of the outer filter membrane support, and an annular protrusion is provided on an outer side wall of an open end of the outer filter membrane support, and the annular protrusion is used for fixing the flexible filter bag. The size of the flexible filter bag is larger than that of the outer filter membrane supporting piece, so that the flexible filter bag is conveniently compacted between the outer filter membrane supporting piece and the inner filter membrane supporting piece, and the flexible filter material is prevented from swinging under the action of water flow pressure and being damaged. The open end of the flexible filter bag is fixed on the annular bulge, so that the flexible filter bag is prevented from moving in position in the filtering process.
As an optional embodiment, in the provided pig hair filter, the pore size of the flexible filter bag is smaller than the diameter of pig hair, and the thickness of the flexible filter bag is 0.1-3 mm. The aperture of the flexible filter bag is smaller than the diameter of the pig hair, so that the pig hair is prevented from flowing out of the flexible filter bag along with the wastewater. The flexible filter bag is set to be 0.1-3mm, so that the thickness and the water passing resistance of the flexible filter bag can be reduced.
As an alternative embodiment, in the pig hair filter provided by the utility model, an exhaust valve is arranged at the upper part of the outer shell, and a drainage air release valve is arranged at the bottom of the outer shell. The arrangement of the exhaust valve can ensure that the filter is full of wastewater, and the arrangement of the drainage blow-down valve can ensure that no sewage exists in the bag when the flexible filter bag is replaced or cleaned.
As an alternative embodiment, in the pig hair filter provided by the utility model, the water inlet end and the water outlet end of the filter are respectively provided with a pressure gauge. And a pressure gauge is arranged to judge the blockage condition of the flexible filter bag according to the pressure difference so as to be convenient for maintenance.
The utility model provides a pig hair filtering device, which comprises the pig hair filter, wherein a plurality of pig hair filters are connected in series or in parallel, and when the pig hair filters are connected in series, the aperture of a flexible filter bag is arranged from large to small. The parallel connection or the serial connection is beneficial to more thorough separation, and when the parallel connection or the serial connection is arranged, the aperture of the flexible filter bag is arranged from large to small, so that the maintenance period of the flexible filter bag is prolonged.
The installation and use process of the utility model is as follows:
before use, the flexible filter bag is placed inside the filter membrane outer supporting piece, the opening of the flexible filter bag is fixed on the annular bulge of the filter membrane outer supporting piece in a clasping or hooping mode, the filter membrane inner supporting piece is inserted into the flexible filter bag, the flexible filter bag is compacted between the filter membrane inner supporting piece and the filter membrane outer supporting piece, finally the filter membrane outer supporting piece is inserted into the outer shell, the outer shell and the filter membrane outer supporting piece are fixed through the fixing piece, and finally the end socket is fixed and then connected with the water inlet pipe and the water outlet pipe for filtering. After being guided into the water inlet pipe, the wastewater containing the pig hair is contacted with the flexible filter bag after passing through the inner support piece of the filter membrane, the wastewater flows out from the through hole of the outer support piece of the filter membrane after passing through the flexible filter bag and is discharged from the water outlet pipe after entering the outer shell, and the pig hair is intercepted in the flexible filter bag, so that the separation of the pig hair and the wastewater is realized. When the filter is backwashed, clear water can be introduced from the water outlet pipe, and dirty water is discharged from the water inlet pipe after the flexible filter bag is cleaned.
The utility model has the following beneficial effects:
(1) the utility model discloses a pig hair filter, which is sequentially provided with an outer shell, an outer filter membrane supporting piece, a flexible filter bag and an inner filter membrane supporting piece from outside to inside, wherein a filter material consists of the outer filter membrane supporting piece, the flexible filter bag and the inner filter membrane supporting piece, the outer filter membrane supporting piece and the inner filter membrane supporting piece on the two sides can provide support during filtering and backwashing, the flexible filter bag is protected, when the filter is used, wastewater containing pig hair is introduced into the inner filter membrane supporting piece, the wastewater flows out from a through hole of the outer filter membrane supporting piece after passing through the inner filter membrane supporting piece and the flexible filter bag, and is discharged from a water outlet pipe after entering the outer shell, and the pig hair is intercepted in the flexible filter bag, so that the separation of the pig hair and the wastewater is realized.
(2) Compared with the existing industrial filter element, the pig hair filter disclosed by the utility model has the advantages that the resistance is only within 1/3 of a melt-blown filter element (PP filter element), the service life of the pig hair filter reaches more than 20 times of that of the PP filter element, and the price of the filter bag is only 1/4 of that of the filter element with the same filter area. The rigid frameworks on the two sides of the flexible filter bag can be repeatedly utilized, so that the maintenance cost of the equipment is reduced, the resistance is low, the energy consumption is low, and the operation cost of the equipment is also reduced.
(3) The filter disclosed by the utility model can be used for regularly taking out the flexible filter bag for replacing and cleaning, and meanwhile, the filter can also be used for backwashing, namely, a water inlet pipe and a water outlet pipe of the filter can also be used as a backwashing water outlet pipe and a backwashing water inlet pipe. The filter in this application can set up a plurality of groups, and when a set of maintenance, normal production and operation are not influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of a filter according to the present invention;
FIG. 2 is a schematic structural diagram of an outer casing according to the present invention;
FIG. 3 is a schematic view of the outer support structure of the filter membrane according to the present invention;
FIG. 4 is a schematic diagram of a flexible filter bag according to the present invention;
FIG. 5 is a schematic diagram of the structure of the inner support member of the filter membrane of the present invention;
reference numerals
1. An outer housing; 2. an outer filter membrane support; 3. a flexible filter bag; 4. an intra-filter membrane support; 5, sealing the end; 6. a fixing member; 7. a hinge shaft; 8. a pressure gauge;
11. a water outlet pipe; 21. a through hole; 22. an annular projection;
51. a water inlet pipe;
61. a first flange; 62. a second flange; 63. and a third flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
A pig hair filter is shown in figures 1-5 and comprises an outer shell 1, an outer filter membrane support member 2, a flexible filter bag 3 and an inner filter membrane support member 4, wherein the outer shell 1 is a hollow structure with one end open and the other end provided with a water outlet pipe 11, the outer filter membrane support member 2 is a hollow structure with one end open and the other end sealed, a through hole 21 is formed in the side wall of the outer filter membrane support member 2, and the inner filter membrane support member 4 is a hollow structure surrounded by grids.
The filter membrane outer support piece 2 is fixed inside the outer shell body 1, the flexible filter bag 3 is arranged outside the filter membrane outer support piece 2, the opening end of the flexible filter bag 3 is fixed at the opening end of the filter membrane outer support piece 2, the filter membrane inner support piece 4 is arranged inside the flexible filter bag 3 and used for enabling the flexible filter bag 3 to be attached inside the filter membrane outer support piece 2, a seal head 5 is arranged at one end, away from the water outlet pipe 11, of the filter membrane inner support piece 4, and a water inlet pipe 51 is arranged on the seal head 5.
In the specific implementation process, the pig hair filter is sequentially provided with an outer shell 1, an outer filter membrane supporting piece 2, a flexible filter bag 3 and an inner filter membrane supporting piece 4 from outside to inside, wherein the outer shell 1 is a hollow structure with one end open and one end connected with a water outlet pipe 11, the outer filter membrane supporting piece 2 is a hollow structure with one end open and the other end closed, and through holes 21 are formed in the side wall and/or the bottom wall of the outer filter membrane supporting piece 2, so that waste water flows out of the outer filter membrane supporting piece 2 through the through holes 21. In the present embodiment, the hole of the through-hole 21 is about 1-2 cm. The filter membrane inner support 4 is a hollow structure formed by surrounding grids, the size of the hollow structure is matched with that of the filter membrane outer support 3, in the embodiment, one end of the filter membrane inner support 4 is open, and the other end of the filter membrane inner support is provided with grids. When the filter membrane outer support device is used, the flexible filter bag 3 is placed in the hollow structure of the filter membrane outer support member 2, the opening is fixed at the opening end of the filter membrane outer support member 2 after being turned outwards, the filter membrane inner support member 4 is inserted into the flexible filter bag 3, the flexible filter bag 3 is compacted between the filter membrane inner support member 4 and the filter membrane outer support member 2, the filter membrane outer support member 2 is inserted into the outer shell 1, the outer shell 1 and the filter membrane outer support member 2 are fixed through the fixing member 6, and the end socket 5 is fixed. In the specific setting process, the end socket 5 and the filter membrane inner support 4 can be set into an integral structure or can be separately set. In order to facilitate the disassembly during cleaning, the water inlet pipe 51 in this embodiment is made of a flexible material.
As a further improved embodiment, the open end of the outer shell 1 is provided with a first fixing piece, and the open end of the outer filter membrane supporting piece 2 is provided with a second fixing piece, wherein the second fixing piece is respectively fixed with the first fixing piece and the end socket 5.
As a further improved embodiment, the first fixing member is a first flange 61, the second fixing member includes a second flange 62 and a third flange 63, the second flange 62 is used with the first flange 61, and the third flange 63 is used with the sealing head 5.
The first fixing piece and the second fixing piece are arranged to fix the outer shell 1 and the outer filter membrane supporting piece 2, and the outer filter membrane supporting piece 2 and the inner filter membrane supporting piece 4 respectively, so that the situation that each part moves in the filtering process to influence the filtering effect is prevented. In the specific implementation process, the first fixing piece and the second fixing piece are both flanges, wherein the second fixing piece comprises a second flange 62 and a third flange 63 which are connected, as shown in fig. 1 and 3, the second flange 62 is matched with the first flange 61 on the outer shell 1, and the third flange 63 is matched with the end enclosure 5, so that the filter is fixed. Use the flange to connect in this embodiment, can guarantee operating condition's sealed effect, still be convenient for regularly dismantle the washing filter simultaneously.
As a further improved embodiment, rubber gaskets (not shown in the figures) are respectively arranged between the first flange 61 and the second flange 62, and between the third flange 63 and the seal head 5.
In the specific implementation process, the rubber pad is arranged to prevent water leakage in the process of filtering or backwashing the filter. Meanwhile, in the embodiment, when filtering, the pipelines externally connected with the water inlet pipe 51 and the water outlet pipe 11 are also fixed by using flanges, and rubber pads are also arranged between the flanges for fixing.
As a further improved embodiment, a hinge rotating shaft 7 is arranged between the third flange 63 and the end socket 5. In this embodiment, set up hinge pivot 7 and be convenient for take apart head 5 and wash or change the back to flexible filter bag 3, can install head 5 and third flange 63 fast, reduce the work load of 5 transport of head and screw proofreading.
As a further improved embodiment, the inner wall of the outer support of the filter membrane is smooth, and the outer wall of the inner support of the filter membrane is smooth. Because the flexible filter bag is thinner, the smooth inner wall and the smooth outer wall are arranged, so that the damage of the flexible filter bag can be avoided.
As a further improved embodiment, the length of the flexible filter bag 3 is greater than that of the filter membrane outer support 2, the inner diameter of the flexible filter bag 3 is greater than that of the filter membrane outer support 2, an annular bulge 22 is arranged on the outer side wall of the opening end of the filter membrane outer support 2, and the annular bulge 22 is used for fixing the flexible filter bag 3.
In the specific implementation process, the size of the flexible filter bag 3 is slightly larger than that of the filter membrane outer support 2, specifically, the length is larger than that of the filter membrane outer support 2, and the inner diameter or caliber is larger than that of the filter membrane outer support 2, so that the flexible filter bag 3 is conveniently compacted between the filter membrane outer support 2 and the filter membrane inner support 4, and the flexible filter bag 3 is prevented from being damaged due to swinging under the action of water flow pressure. The outer edge of the opening end of the filter membrane outer support piece 2 is provided with an annular bulge 22, the opening of the flexible filter bag 3 is fixed on the annular bulge 22 of the filter membrane outer support piece 2 after being turned outwards, and the flexible filter bag 3 can be prevented from falling off when being fixed in a holding clamp, a stirrup and the like.
As a further improved embodiment, the aperture of the flexible filter bag 3 is smaller than the diameter of the pig hair, and the thickness of the flexible filter bag 3 is 0.1-3 mm.
In this embodiment, the flexible filter bag 3 may be made of a porous material such as a non-woven fabric, a nylon mesh or a PP cotton, and the aperture of the flexible filter bag 3 is smaller than the diameter of the pig hair, so as to prevent the pig hair from flowing out of the flexible filter bag 3 along with the waste water. Because the outer filter membrane supporting piece 2 and the inner filter membrane supporting piece 4 provide support at two sides of the flexible filter bag 3 and play a role in protecting the flexible filter bag 3, the flexible filter bag 3 can play a role by being set to be 0.1-3mm, the wall thickness and the water passing resistance of the flexible filter bag 3 are reduced, the strength of the flexible filter bag 3 is increased, and the service life and the replacement cycle of the flexible filter bag 3 are prolonged.
As a further improved embodiment, the upper part of the outer shell 1 is provided with an exhaust valve (not shown in the figure), and the bottom of the outer shell 1 is provided with a drain vent valve (not shown in the figure). Set up discharge valve and can guarantee to set up and be full of waste water when filtering, set up drainage atmospheric valve and can guarantee not have sewage in the bag when changing or wasing flexible filter bag 3. In the specific implementation, the filter can be installed horizontally, obliquely or vertically, specifically when arranged to the upper and bottom of the outer casing 1, depending on the installation mode.
As a further improved embodiment, the water inlet end and the water outlet end of the filter are respectively provided with a pressure gauge 8.
In this embodiment, the pressure gauge 8 at the water inlet end of the filter is arranged on the upper part of the seal head 5 for monitoring the pressure of the inlet water, and the pressure gauge 8 at the water outlet end of the filter is arranged at the tail end of the outer shell 1 for monitoring the pressure of the outlet water, as shown in fig. 1, 2 and 5. The pressure gauges are arranged at the water inlet end and the water outlet end, and the blockage condition of the flexible filter bag 3 is judged according to the pressure difference so as to be convenient for maintenance.
Example 2
A pig hair filter equipment, includes the pig hair filter in embodiment 1, and a plurality of pig hair filter is through establishing ties or parallelly connected mode connection, and when adopting series connection, the aperture of flexible filter bag 3 sets up from big to little. The parallel connection or the serial connection is beneficial to more thorough separation of the pig hair and the waste water, and when the parallel connection or the serial connection is arranged, the aperture of the flexible filter bag 3 is arranged from large to small, thereby being beneficial to prolonging the maintenance period of the flexible filter bag 3.
The installation and use process of the utility model is as follows:
before use, the flexible filter bag 3 is placed in the filter membrane outer support piece 2, the opening of the flexible filter bag 3 is fixed on the annular bulge 22 of the filter membrane outer support piece 2 in a clasping or hooping mode, the filter membrane inner support piece 4 is inserted into the flexible filter bag 3, the flexible filter bag 3 is compacted between the filter membrane inner support piece 4 and the filter membrane outer support piece 2, finally the filter membrane outer support piece 2 is inserted into the outer shell 1, the outer shell 1 and the filter membrane outer support piece 2 are fixed through the fixing piece 6, and finally the seal head 5 is fixed and then connected with the water inlet pipe and the water outlet pipe for filtration. After being guided in from the water inlet pipe 51, the wastewater containing the pig hair contacts the flexible filter bag 3 after passing through the filter membrane inner support piece 4, the wastewater flows out from the through hole 21 of the filter membrane outer support piece 2 after passing through the flexible filter bag 3, enters the outer shell 1 and is discharged from the water outlet pipe 11, and the pig hair is intercepted in the flexible filter bag 3, so that the separation of the pig hair and the wastewater is realized. When the filter is backwashed, clear water can be introduced from the water outlet pipe, and dirty water is discharged from the water inlet pipe after the flexible filter bag 3 is cleaned.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and is not intended to limit the practice of the utility model to these embodiments. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (10)

1. The pig hair filter is characterized by comprising an outer shell, a filter membrane outer supporting piece, a flexible filter bag and a filter membrane inner supporting piece, wherein the outer shell is of a hollow structure with one end open and the other end provided with a water outlet pipe;
the utility model discloses a filter membrane outer support piece, including outer shell body, flexible filter bag, outer support piece of filter membrane, the outer support piece of filter membrane is fixed in inside the shell body, flexible filter bag is located the outer support piece of filter membrane is outside, the open end of flexible filter bag is fixed in the open end of the outer support piece of filter membrane, the support piece is located in the filter membrane inside the flexible filter bag, be used for with flexible filter bag laminating in inside the outer support piece of filter membrane, the support piece is kept away from in the filter membrane the one end of outlet pipe is equipped with the head, be equipped with the inlet tube on the head.
2. The pig hair filter of claim 1, wherein the open end of the outer housing is provided with a first fixing member, and the open end of the outer support member of the filter membrane is provided with a second fixing member, and the second fixing member is fixed to the first fixing member and the end socket respectively.
3. The pig hair filter of claim 2, wherein the first fixing member is a first flange, the second fixing member comprises a second flange and a third flange, the second flange is matched with the first flange, the third flange is matched with the end socket, and rubber pads are respectively arranged between the first flange and the second flange and between the third flange and the end socket.
4. The pig hair filter of claim 3, wherein a hinge shaft is provided between the third flange and the head.
5. The pig hair filter of claim 3, wherein the outer filter membrane support has a smooth inner wall and the inner filter membrane support has a smooth outer wall.
6. The pig hair filter of any one of claims 1 to 5, wherein the length of the flexible filter bag is greater than that of the outer filter membrane support member, the inner diameter of the flexible filter bag is greater than that of the outer filter membrane support member, and an annular protrusion is arranged on the outer side wall of the opening end of the outer filter membrane support member and used for fixing the flexible filter bag.
7. The pig hair filter of claim 6, wherein the aperture of the flexible filter bag is smaller than the diameter of pig hair, and the thickness of the flexible filter bag is 0.1-3 mm.
8. The pig hair filter of claim 1, wherein the upper portion of the outer housing is provided with an exhaust valve, and the bottom of the outer housing is provided with a drain relief valve.
9. The pig hair filter of claim 1, wherein the water inlet end and the water outlet end of the filter are provided with a pressure gauge respectively.
10. A pig hair filter device, comprising a plurality of pig hair filters according to any one of claims 1 to 9, wherein the plurality of pig hair filters are connected in series or in parallel, and when the plurality of pig hair filters are connected in series, the pore size of the flexible filter bag is set from large to small.
CN202121684801.6U 2021-07-23 2021-07-23 Pig hair filter and filter equipment Active CN215627149U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121684801.6U CN215627149U (en) 2021-07-23 2021-07-23 Pig hair filter and filter equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121684801.6U CN215627149U (en) 2021-07-23 2021-07-23 Pig hair filter and filter equipment

Publications (1)

Publication Number Publication Date
CN215627149U true CN215627149U (en) 2022-01-25

Family

ID=79891803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121684801.6U Active CN215627149U (en) 2021-07-23 2021-07-23 Pig hair filter and filter equipment

Country Status (1)

Country Link
CN (1) CN215627149U (en)

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